Parts of a Cell

Cell Function Sheet Have your sheet ready to write notes in. Read and understand each slide before going to the next. The most important information is IN PURPLE. Check off if the organelle is found in a plant cell, animal cell, or both.

What are the functions of the organelles? LAPTOP/iPAD activity: Go to class webpage, www.kyrene.org/sryan Find this presentation for today’s date. Read each slide together. Take notes by filling in blanks on your sheet. AFTER ALL NOTES ARE DONE, get your sheet of picture clues (from the basket on demo table) to cut out and glue in the appropriate box on your sheet.

Here come the organelles…!

Cell Wall Plant cells only Give plants their shape, structure, support, and protection Surrounds the cell membrane Allows H2O, O2, and CO2, to pass in and out of the cell

Cell Membrane A continuous, almost invisible structure surrounding the cell Supports & protects the cell Controls movement of materials in and out of the cell

Chloroplasts Plant cells only Uses energy from the sun to make food for the plant through photosynthesis Where photosynthesis takes place Power generator for the plant Give plants their green color

Cytoplasm The cell’s environment or inner space. Mostly made of water and contains organelles The jellylike material outside the cell nucleus.

Mitochondria Powerhouse of the cell. Supplies energy that the cell needs. Breaks down sugar molecules into energy Need oxygen to make energy and give off carbon dioxide as waste

Nucleus The cell’s computer, brain, or manager. Uses DNA to control the cell’s activity Contains all the information the cell needs to do specific jobs, grow, and divide Information is stored in DNA molecules Contains the nucleolus which makes ribosomes Determines what proteins will be made

Lysosomes Cell’s recycler. Breaks down large food and digests old cell parts. Contains enzymes which break down the proteins

Ribosomes Produces protein which is the Product of the cell Cells need protein to survive and grow Protein

Vacuoles Storage bubbles found in cells. Much larger in plant cells. Store food or nutrients a cell might need to survive. Store waste products so the rest of the cell is protected from contamination.

Golgi Bodies Packs Packs and carries proteins in little bubbles that separate and float into the cytoplasm. Prepares the proteins for use or delivery outside the cell

Endoplasmic Reticulum (E.R.) Transportation system of the cell. Carries material through the cell. Rough ER has ribosomes attached to it so the proteins they make can be released directly into the ER for transport Smooth ER collects things and contains them

Nuclear Membrane Protects and guards the nucleus. Allows materials to pass in and out. Keeps the DNA inside the nucleus Allows other materials to pass in and out of the nucleus

OBSERVE The Differences between Animal & Plant Cells

Now get your sheet of pictures! Protein Cut out the symbols and glue them next to the correct cell part, to help you remember the function of the organelle. Hint: Go back to the slide to see which picture goes with it!

Endoplasmic Reticulum Organelles Cell Functions Plant Animal Picture Cell Wall Cell Membrane Chloroplasts Cytoplasm Mitochondria Nucleus Lysosome Ribosome Vacuole Golgi Body Endoplasmic Reticulum Nuclear Membrane Answer Key * Check if you have all the symbols in the right boxes. * Check if the organelle is in animal cells, plant cells or both. * Then quiz a partner about the function of each of these organelles, by taking turns and using your paper.

Clean-Up Directions Shut down your laptop, or sign out on your iPad. Return your device. Put glue sticks back on the demo table. Check the floor for scraps, and throw out. View microscope specimens if you are all done!